Answered

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Carlos manages a Linux system that users are able to SSH into in order to perform certain tasks. However, he has just installed a critical patch and wants to reboot the server to ensure that it has fully taken effect. Which of the following commands should he use to ensure that a reboot will not interrupt any logged in users?

a. w
b. id
c. whoami
d. uname -a

Sagot :

The answer is "Option b" which is "id", and its further calculation can be defined as follows:

  • In the Linux system, the id command is being used to find out the account and main indicators and numeric IDs of a current user and any other user on the system.
  • In this, command the User name and genuine user ID.
  • It is used to list all the groups of which a user is a member, and also display the security context of the current user.

The wrong choice can be defined as follows:

  • In choice a, "w" is the use full command, which displays all users who are currently active.
  • In choice c, "whoami" is used as our user name.
  • In choice d, "uname-a" is used to shows information about the network.

Therefore "Choice b" is the correct answer.

Learn more:

Linux system: brainly.com/question/3133247

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